Home / 15,579.78-23,373.24-4,486.56

Finding the Fourth Proportional to 15,579.78, 23,373.24 and 4,486.56

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Solution

The fourth proportional to 15,579.78, 23,373.24 and 4,486.56 is: 6,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.78 : 23,373.24 = 4,486.56 : x
  2. Step 2: Convert to fraction form
    15,579.78/23,373.24 = 4,486.56/x
  3. Step 3: Cross multiply
    15,579.78x = 23,373.24 × 4,486.56
  4. Step 4: Simplify right side
    15,579.78x = 104,865,443.65
  5. Step 5: Solve for x
    x = 104,865,443.65/15,579.78
  6. Step 6: Final answer
    x = 6,730.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.